Ceiling fan



FIG. 1 is a right side view of a ceiling fan showing my new design;

FIG. 2 is a left side view of the ceiling fan;

FIG. 3 is a front view of the ceiling fan;

FIG. 4 is a rear view of the ceiling fan;

FIG. 5 is a top view of the ceiling fan; and,

FIG. 6 is a bottom view of the ceiling fan.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 